Dammit Distortion, guitar distortion processor available as VST plugin for Windows and as Audio Unit for Mac

CantOvation creates innovative music and voice software for singers and teachers, to help them sing better and to have more fun in their singing.

PolyPhontics is the premiere SoundFont and DLS tool for Macintosh computers.

Makes a Plug-In Collection For Finale

Effects developer

Editor of applescripts for iTunes, Music Valet, MP3 Mix CD...

Jalmus est un logiciel libre et gratuit permettant aux musiciens et particulièrement aux pianistes de perfectionner leur déchiffrage. Il vous propose plusieurs exercices pour travailler la lecture musicale sur les notes ou les rythmes.

Free Waldorf MicroWave editors

Effets et instruments VSTi pour Windows

Nr74 is dedicated to creating software of all sorts ‘n sizes. The organisation is managed by leovanderveen . You’ll find a nice selection of iPhone apps on this site, but nr74’s also quite active in programming : Max/MSP/Jitter, Flash, Processing, Objective C.